System for manufacturing micro-retarder and method for manufacturing the same

Abstract

A system for manufacturing a micro-retarder and a method for manufacturing the same are provided. The system for manufacturing a micro-retarder includes a carrying device, a heating device and a movement control device. The carrying device is used for carrying a polymolecule film. The polymolecule film is selected from a polymolecule film having an arrangement direction. The heating device is used for providing a heating source. The energy formed in the central area of the heating source is smaller than that in the peripheral area of the heating source. The movement control device is used for controlling the heating source and the polymolecule film to relatively move along a first direction, so that the adjusted heating source heats at least one partial area of the polymolecule film along the first direction and resumes the partial area of the polymolecule film to be non-directional.

1. A system for manufacturing a micro-retarder, the system comprising: a carrying device for carrying an optically anisotropic polymolecule film; a heating device for providing a heating source; a conical lens and a focusing lens for deflecting an energy formed by the heating source, the energy to be applied to the polymolecule film, so that the energy formed in the central area of the heating source is smaller than that in the peripheral area of the heating source, wherein the energy changes to a valley distribution curve from a Gaussian distribution curve through the conical lens and changes to an inverse Gaussian distribution curve from the valley distribution curve through the focusing lens, so that the energy formed in the central area of the laser beam is smaller than that in the peripheral area; and a movement control device for controlling the polymolecule film and the heating source to relatively move along a first direction, so that the adjusted heating source heats at least one partial area of the polymolecule film along the first direction and resumes the partial area of the polymolecule film to be optically isotropic. 
     
     
       2. The system for manufacturing a micro-retarder according to  claim 1 , wherein the movement control device controls the polymolecule film and the heating source to relatively move along a second direction substantially perpendicular to the first direction, so that the adjusted heating source heats a plurality of partial areas and enables the polymolecule film to form a plurality of the heated partial areas and unheated partial areas, the heated partial areas and the unheated partial areas are all extended along the first direction and alternated with each other. 
     
     
       3. The system for manufacturing a micro-retarder according to  claim 1 , wherein the heating source is a laser beam, an infra-red light, an ultra-sound wave, an electron beam or a neutron beam. 
     
     
       4. The system for manufacturing a micro-retarder according to  claim 1 , further comprising:
 a measuring device for measuring a heating energy of the heating source, wherein the heating device adjusts a driving energy of the heating device according to the heating energy, so that the heating energy of the heating source remains stable over the time. 
 
     
     
       5. The system for manufacturing a micro-retarder according to  claim 4 , further comprising a processing device and a driving device, wherein if the processing device determines that the heating energy drops to a first level from a predetermined level, then the driving device increases the driving energy of the heating device until the heating energy resumes the predetermined level; if the processing unit determines that the heating energy has increased to a second level, then the control driving device decreases the driving energy of the heating device until the heating energy resumes the predetermined level. 
     
     
       6. The system for manufacturing a micro-retarder according to  claim 1 , further comprising:
 a cooling device for cooling the heated partial area, wherein the cooling device is disposed above the polymolecule film. 
 
     
     
       7. The system for manufacturing a micro-retarder according to  claim 6 , wherein the heating source is a laser beam and the system for manufacturing a micro retarder further comprises:
 a polarization adjusting device for adjusting a polarized angle of the laser beam according to the arrangement direction of the polymolecule film, wherein the polarization adjusting device is disposed on the transmission path of the laser beam. 
 
     
     
       8. The system for manufacturing a micro-retarder according to  claim 7 , further comprises:
 a reflector set for reflecting the heating source onto the polymolecule film, wherein the reflector set is disposed between the polarization adjusting device and the polymolecule film. 
 
     
     
       9. The system for manufacturing a micro-retarder according to  claim 8 , wherein the reflector set comprises:
 a first reflector; and 
 a second reflector, wherein the heating source is reflected onto the polymolecule film via the first reflector and the second reflector sequentially; 
 wherein, the movement control device controls the second reflector to move along the first direction and controls the first reflector to move along the first direction, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the first direction; and 
 the movement control device controls the second reflector to move along the second direction and controls the first reflector to rotate along with the second reflector, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the second direction. 
 
     
     
       10. The system for manufacturing a micro-retarder according to  claim 8 , wherein the reflector set comprises:
 a first reflector; and 
 a second reflector, wherein the heating source is reflected onto the polymolecule film via the first reflector and the second reflector sequentially; 
 wherein, the movement control device controls the first reflector to move along the first direction and controls the second reflector to move along the first direction, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the first direction; and 
 the movement control device controls the first reflector to move along the second direction and controls the second reflector to rotate along with the first reflector, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the second direction. 
 
     
     
       11. The system for manufacturing a micro-retarder according to  claim 1 , wherein the heating source is a laser beam and the system for manufacturing a micro retarder further comprises:
 a polarization adjusting device for adjusting a polarized angle of the laser beam according to the arrangement direction of the polymolecule film, wherein the polarization adjusting device is disposed on the transmission path of the laser beam. 
 
     
     
       12. The system for manufacturing a micro-retarder according to  claim 11 , further comprises:
 a reflector set for reflecting the heating source onto the polymolecule film, wherein the reflector set is disposed between the polarization adjusting device and the polymolecule film. 
 
     
     
       13. The system for manufacturing a micro-retarder according to  claim 12 , further comprising a splitting device disposed between the heating device and the reflector set, wherein the splitting is used for reflecting a part of the heating source to the measuring device. 
     
     
       14. The system for manufacturing a micro-retarder according to  claim 12 , wherein the reflector set comprises:
 a first reflector; and 
 a second reflector, wherein the heating source is reflected onto the polymolecule film via the first reflector and the second reflector sequentially; 
 wherein, the movement control device controls the second reflector to move along the first direction and controls the first reflector to move along the first direction, so that the heating source reflected by the first reflector is projected onto the second reflector and the heating source reflected by the second reflector moves along the first direction; and 
 the movement control device controls the second reflector to move along the second direction and controls the first reflector to rotate along with the second reflector, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the second direction. 
 
     
     
       15. The system for manufacturing a micro-retarder according to  claim 12 , wherein the reflector set comprises:
 a first reflector; and 
 a second reflector, wherein the heating source is reflected onto the polymolecule film via the first reflector and the second reflector sequentially; 
 wherein, the movement control device controls the first reflector to move along the first direction and controls the second reflector to move along the first direction, so that the heating source reflected by the first reflector is projected onto the second reflector and the heating source reflected by the second reflector moves along the first direction; and 
 the movement control device controls the first reflector to move along the second direction and controls the second reflector to rotate along with the first reflector, so that the heating source reflected by the first reflector is projected onto the second reflector and that the heating source reflected by the second reflector moves along the second direction. 
 
     
     
       16. The system for manufacturing a micro-retarder according to  claim 1 , wherein the carrying device comprises a hollowed barrel and the hollowed barrel has a central axis, the polymolecule film is disposed on the inner wall of the hollowed barrel , the system for manufacturing a micro-retarder further comprises:
 a reflector set disposed on the central axis, wherein the movement control device is used for controlling the carrying device to rotate around the central axis and controls the reflector set to move along the central axis. 
 
     
     
       17. The system for manufacturing a micro-retarder according to  claim 1 , wherein the carrying device comprises a hollowed barrel and the hollowed barrel has a central axis, the polymolecule film is disposed on the inner wall of the hollowed barrel, the system for manufacturing a micro-retarder further comprises:
 a reflector set disposed on the central axis, wherein the movement control device is used for controlling the reflector set to rotate along the central axis and controlling the reflector set to move along the central axis. 
 
     
     
       18. The system for manufacturing a micro-retarder according to  claim 1 , wherein the carrying device is a carrying platform.